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Ignition Cable Assembly
Contact Set Adjustment.

TM-5-4310-227-15 Compressor Reciprocating: Air; Gasoline Engine 15 CFM 175 PSI; Receiver Mounted (Champion Pneumatic Model OEG-458-ENG-1) Manual
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TM 5-4310-227-15
(7) Replace a defective mounting gasket
and magneto.
c. Installation and Timing.
(1) Secure the vent screen and vent cover
(38) to the side of the magneto (25)
with the lockwasher and screw (37).
Install the vent screen and vent cov-
er on the opposite side of the magneto
in a similar manner.
(2) Secure the ignition shield (13) and
m e t a l gasket (39) to the magneto
with the four lockwashers (11) and
screws (12).
Note.
If the crankshaft was rotated
after remova of the magneto, it will be
necessary to rest the engine timing gears
to properly engage the magneto drive
gear. If the crankshaft has not been dis-
turbed, the magneto may be installed as
described in (6) through (10) below.
1  Air shroud
(3) Reset the timing by first removing the
Screw, machine, 1/4-20 X 1/2 in. (4 rqr)
2
spark plug (para 3-31).
20 timing hole
3
Top center inspection hole
4
(4) Place a thumb over the spark plug
5
Rim
hole and slowly rotate the engine un-
Screen
6
til the piston is on the compression
7
Starting pulley assembly
stroke and pressure begins to build
Figure 3-11. Rim and screen, removal points.
up under the thumb.
(5) Look through the air shroud screen
(6, fig. 3-11) and position the fly-
wheel timing mark D-C (3, fig. 3-12)
at the top. The flywheel air vane tim-
ing mark X (2) should then appear
centered in the top center inspection
hole (4, fig. 3-11) in the air shroud
rim (5).
Note.  The flywheel timing mark D-C
indicates when the piston is sit top dead
center of the compression stroke. The air
vane timing mark may be in the form of
white paint, or a stamped X, or both.
(6) Position the magneto drive gear (27,
fig. 2-7) so that when it is installed,
the timing mark (X) (26) will appear
in the gear housing inspection hole.
P o s i t i o n the magneto (25) on the
cylinder and crankcase assembly (18)
with the timing mark centered in the
1
Nut, sheet, spring, No. 14A (4 rqr) 4 Air shroud
Flywheel air vane timing mark (X) 5 Crankshaft
2
inspection hole.
6 Flywheel
Flywheel timing mark (D-C)
3
(7) Secure the magneto (25) to the top
side of the cylinder and crankcase as-
Figure 312. Engine flywheel, removal points.
3-36






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